<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>波浪进度条</title>
    <style>
        .container {
            position: absolute;
            width: 200px;
            height: 200px;
            padding: 5px;
            border: 5px solid rgb(118, 218, 255);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            overflow: hidden;
        }

        .wave {
            position: relative;
            width: 200px;
            height: 200px;
            background-color: rgb(118, 218, 255);
            border-radius: 50%;
        }

        .wave::before,
        .wave::after {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            top: 0;
            left: 50%;
            background-color: rgba(255, 255, 255, .4);
            border-radius: 45%;
            transform: translate(-50%, -70%) rotate(0);
            animation: rotate 6s linear infinite;
            z-index: 1;
        }

        .wave::after {
            border-radius: 47%;
            background-color: rgba(255, 255, 255, .9);
            transform: translate(-50%, -70%) rotate(0);
            animation: rotate 10s linear -5s infinite;
            z-index: 2;
        }

        p {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 36px;
            color: #000;
            z-index: 10;
        }

        @keyframes rotate {
            50% {
                transform: translate(-50%, -73%) rotate(180deg);
            }
            100% {
                transform: translate(-50%, -70%) rotate(360deg);
            }
        }
    </style>
</head>
<body>
<div class="container">
    <div class="wave"></div>
    <p>40%</p>
</div>
</body>
</html>